Anthraquinone-azomethine compounds, processes for their preparat

Details Anthraquinone-azomethine compounds, processes for their preparat Anthraquinone-azomethine compounds, processes for their preparat

1980-07-21

1982-03-09

Demers, Arthur P.

Harness for working animal

8506, 8508, 8509, 8510, 8513, 8512, 8514, 8515, 8516, 8518, 8519, 8637, 8677, C07D21368

Patent

active

043190251

ABSTRACT:
Anthraquinone-azomethine compounds of the formula ##STR1## or of the tautomeric formula ##STR2## or of the tautomeric formula ##STR3## in which A denotes an anthraquinone radical which is free from sulphonic acid groups and optionally further substituted and which preferably consists of at most 5 fused rings,

REFERENCES:
patent: 4078086 (1978-03-01), Winkelmann et al.
patent: 4122117 (1978-10-01), Ando et al.
patent: 4131676 (1978-12-01), Lang et al.
patent: 4246401 (1981-01-01), Neeff et al.
Chemical Abstracts, Band 86, 1977, Seite 73, Nr. 107999k, Columbus, Ohio USA, JP-A-76 140 926 (Dainippon Ink and Chemicals) (04-12-1976).

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